一种大型导航装备主控系统的通信设计

Communication Design of a Large Scale Navigation Equipment Main Control System

对一种大型导航装备主控系统与装备上其他系统的通信进行了研究,采用DSP TMS320F2812芯片作为各个系统的核心器件。TMS320F2812芯片上有着丰富的资源,利用其上的CAN总线可实现主控系统与其他系统的通信,接收从监测器来的数据,并与报警门限相比较,以决定下一步的动作。利用其上的SCI实现与外部便携式计算机的通信,可将装备的工作状态记录到计算机中,以便将来装备出现故障时容易查找到历史记录。通过设计达到使装备更加轻便,机动性更强,更易维护的要求。

This paper researehs the communication of main control system and other systems both on a large scale navigation equipmen with the core DS PTMS320F2812 in it. There are abudant resourse on TMS320F2812,by using on- chip CAN bus to realize the communication of main control system and other systems, receive the data from monitor and compare with the alarm gate to determine next action; by using on- chip SCI to realize communication with outer portable computer, log the equipment＇s work state in computer, so as to find easily historial record. All these to make equipmemt more portable,mobiler, and easier to maintain.